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European Ruby Conference, Euruko 06   27 Aug 06
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wiki

 Euruko06, the European Ruby Conference,
 will be in Munich, November 4 and 5, 2006.

 ******************************************
 * Conference wiki: http://www.euruko.com *
 ******************************************

 This year, we'll meet in a hotel in Munich,
 locations are being searched for. If you know
 of a good place, let us know, too.

 The conference will begin at 10 AM on Saturday and
 end sometime on Sunday.

 ******************************************
 * matz has offered to give us a          *
 * Skype video message.                   *
 ******************************************

 Audience:      Everybody interested in Ruby is most welcome!
 Fee:           minimal fee of 20 EUR, T-Shirts will be extra
                (cash in small unmarked bills)
 Registration:  wiki at http://www.euruko.com, follow the link
                to the Visitors' Page.

 Talks:         If you want to give a talk, please put down
                topic (an short description) on the wiki, too.

 ******************************************
 * Design the conference T-Shirt          *
 * or I'll do it again ...                *
 ******************************************

 If you have questions drop us a note at
 euruk...@euruko.com

 See you in Munich,

Approximity GmbH offers commercial ruby and R support   21 Aug 06
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When applying for projects from time to time big Fortune 500 companies turn down interesting solutions as no company out there offers commercial support. Therfore, if anybody is out there trying todo great stuff in R or ruby and the client requires commercial ruby, rails or R support, we are happy to help.

We have been using R and ruby since 1998.

Please send requests to armin (at) approximity.com.

Ruby Weekly News: 7th-13th August 2006   20 Aug 06
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As always a great summary by Tim Sutherland about what is going on in the ruby universe. www.rubyweeklynews.org/20060813.html

Twelve Benefits of Writing Unit Tests First   27 Jul 06
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www.jtse.com/blog/2006/07/11/twelve-benefits-of-writing-unit-tests-first?

Semi-automatic test generator and code annotator   24 Jul 06
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xmpfilter.rb is basically a source code filter than can generate assertions for your tests, and annotate the code to show intermediate results.

Make sure you read the entire article

Smalltalk: 15 lines, XAML-C#L: 1000 lines   24 Jul 06
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A nice example, and probably more typical than one thinks: Using the right tool for the right job greatly reduces development time.

Read the full story.

Parallel coordinates   22 Jul 06
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Parallel coordinates: visualization & data mining for high dimensional datasets by Al Inselberg www.stanford.edu/group/mmds/slides/inselberg-mmds.pdf

Make sure you check out Inselberg’s homepage.

Very fascinating slides. Absolutely worth reading.

Ruby Hacking Guide   15 Jul 06
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This is the home page of the project to translate into English the Ruby Hacking Guide. The RHG is a book that explains how the ruby interpreter (the official C implementation of the Ruby language) works internally.

To fully understand it, you need a good knowledge of C and Ruby. The original book includes a Ruby tutorial (chapter 1), but it has not been translated yet, and we think there are more important chapters to translate first. So if you have not done it yet, you should read a book like the Pickaxe first.

Please note that this book was based on the source code of ruby 1.7.3 so there are a few small differences to the current version of ruby. However, these differences may make the source code simpler to understand and the Ruby Hacking Guide is a good starting point before looking into the ruby source code. The version of the source code used can be downloaded here: i.loveruby.net/ja/rhg/ar/ruby-rhg.tar.gz.

Many thanks to RubyForge for hosting us and to Minero AOKI for letting us translate his work.

rhg.rubyforge.org/

R Graph Gallery   20 Jun 06
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I came across this useful posting by Gregor Gorjanc in the r-help ML.

  • R graphical manuals (this is awesome page as there are all help pages of all packages on CRAN and probably even more and all graphics examples are displayed! - more than 8000 images!)

bg9.imslab.co.jp/Rhelp/

This is a very nice addition to already existing R graph and movies galleries

  • R Graph Gallery

addictedtor.free.fr/graphiques/

  • R Movies Gallery

addictedtor.free.fr/movies/

Refactoring Demo Screencast   21 May 06
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Four different ways of performing the refactoring "Extract Method".

xp123.com/xplor/xp0605/index.shtml

 

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